Boundary (partition) - Kyokai

… Also written as 坂. A boundary that separates all kinds of things and spaces. Historically, boundaries have existed universally from primitive society to the present day, from small boundaries between houses or between cultivated land to large boundaries between administrative divisions such as provinces and counties, and even national borders. …

*Some of the terminology that mentions "boundary (partition)" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…堺とも書く。あらゆる事物や空間を区切るさまざまな仕切り(境界)。歴史上，境は原始社会から現代に至るまで，小は家と家の境，耕地と耕地の境などから，大は国郡などの行政区分上の境や国境まで普遍的に存在する。…

※「境界（仕切り）」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報